\begin{tikzpicture}
	\tkzDefPoints{0/0/A, 0.8/0/D, 2/0/O,  3/0/E, 4/0/B}
	\tkzDrawSegment(A,B)
	\tkzDrawPoints[fill=black](D,O,E)
	\tkzLabelPoints[below](A,D,O,E,B)
\end{tikzpicture}

